201908050840

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{21120089}}^1$

素因数の和:21120339

約数の個数: 32

約数和(自身を含む): 456193944000

約数和(自身を除く): 254285893160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 4780, 9560, 21120089, 42240178, 84480356, 105600445, 168960712, 211200890, 422401780, 844803560, 5047701271, 10095402542, 20190805084, 25238506355, 40381610168, 50477012710, 100954025420, 201908050840]

約数ペア:

[(1, 201908050840), (2, 100954025420), (4, 50477012710), (5, 40381610168), (8, 25238506355), (10, 20190805084), (20, 10095402542), (40, 5047701271), (239, 844803560), (478, 422401780), (956, 211200890), (1195, 168960712), (1912, 105600445), (2390, 84480356), (4780, 42240178), (9560, 21120089)]